Eco-friendly dam for river

摘要

An object of the present invention is to provide an eco-friendly underwater beam for a river that has a simple structure and is easy to discharge sediments. In order to achieve the above object, the present invention provides an eco-friendly underwater beam for a river installed in a river, comprising: a bottom portion installed at the bottom of the river; An outer wall portion extending perpendicularly to an end of the bottom portion; An inner wall portion extending vertically to the bottom portion and disposed at a position spaced apart from the outer wall portion by a predetermined distance; A support part structurally connecting the outer wall part and the inner wall part; And a pipe portion having an inlet formed at a lower end of the inner wall portion and a plurality of outlets formed on the outer wall portion, wherein the plurality of outlets are sequentially formed according to the height of the outer wall portion, and a valve at the outlet except the highest outlet Is attached, and the storage level of the inner wall is adjusted according to the operation of the valve.